Russian fuel shipment to Cuba tests U.S. resolve on embargo

Russia confirms fuel shipments to Cuba as a Russian-flagged tanker nears the Caribbean, signaling Moscow’s willingness to pressure Havana amid an intensified oil embargo; analysts say the move is geopolitical signaling rather than purely humanitarian aid, and could supply roughly 730,000 barrels to Cuba for weeks, but would not solve the island’s longer-term crisis. The United States faces a difficult choice between enforcing the blockade—potentially escalating tensions with Russia—or allowing the shipment to proceed, a dilemma made harder by international law around seizures at sea.